Most tetras are peaceful and get along well with similarly sized community fish, but there are a few exceptions. Good tank mates for tetras include other tetra species, rasboras, small danios, peaceful barbs, appropriately sized rainbowfish and livebearers.

Tetras are Omnivores, meaning they eat both plants and other animals.

Tetra is the common name of many small freshwater characiform fishes. Tetras come from Africa, Central America, and South America, belonging to the biological family Characidae and to its former subfamilies Alestidae (the “African tetras”) and Lebiasinidae.

Tetras are sensitive to ammonia spikes. They may lose color and breathe rapidly.

hi welcome 20 liter tank is too small but u can keep some small fishes like guppy, molly, neon tetra.. 20 litres is not much to work with. a single betta will be your best bet. Like maaz said 2 or 3 guppys will be ok.

How many fish can it hold? The marina 360 aquarium is a 10 litre / 2.65 gallon tank which is quite small, we would recommend only 3 or 4 tetras at the most.

How many neon tetras are in a 25 Litre tank? So the inch-per-gallon rule is best with typical little two to four-inch fish. You could add two or three one-inch neon tetras per gallon, but a ten-inch (25.4cm) cichlid might need twenty gallons (75.7 liters) of water to himself and a powerful filter.

How many Platies can go in a 25 Litre tank? 25-gallon tank This is a pretty reasonable big-sized tank. If you intend to keep only platy fish then you can keep around 11-12 fish inside a 25-gallon tank. As they are live-bearers, so get ready to have a bunch of fry in few weeks.

I would go for smaller fish since the surface area of a 25-litre aquarium can only absord “x” oxygen each day. Neon tetras are small and very flashy. They like to school, so buy at least three, four would be better. Always get a cleanup crew—a catfish and a wrasse that can get into crevices.

A guideline for a tank of this size is 22cm of fish, 1cm of fish per litre. Fish such as eels which are long but very skinny you can just count a ¼ of their length and fatter or taller fish such as angels and puffer should be counted as 1 ¼ times their length.

For a 20L tank, you can initially keep 1-2 small goldfish. Once upgraded to an 80L tank, or if you choose to start with a larger tank, 6-8 goldfish can be kept, even at full size.

You can keep three Dwarf Gouramis in a 60 litre tank, or just one with a school of other peaceful fish, such as five Neon Tetras.

Re: 20L Shrimp Tank Is your plan to breed? – 50+ would be no problem, much more & things could get a bit aggro in there with more potential for problems. Re fish, it depends on what shrimp you want & if you want to breed. (plus you can’t really fit many fish in a 20ltr), but basically, 3 or 4 very small ones!

How Many Cherry Shrimp Per Gallon?

How many shrimp can I put in my aquarium? You can have up to 10 dwarf shrimp per 1 gallon of water. For example: A 10 gallon aquarium COULD house up to 100 dwarf shrimp. However, a great starting point could be 5 shrimp per 1 gallon of water.